Solution 1:

By Natural they mean unrefined and in the case of Raw defiance likely impolite; including rough edges. Raw talent would be natural, inborn talent; not learned from teachers or coaches.

Raw can also be used pejoratively to indicate low quality of talent or skill; rough, amateurish. New soldiers, just out of basic training are referred to as raw or green, as in unseasoned, in that they are brand new and without the needed experience that testing in combat will hopefully bring them.